def lists_3102

bendtorch-core@0.1.0.0 · src/tensor/axis_algebra.bend:1886

import Base

1886def lists_3102(-A: Data, +items: List<&2, A>, length: {List.length(&2, A, items) == 4n : Nat}) -> ListFacts<A, 4n, [3n, 1n, 0n, 2n], items>:
1887  match items:
1888    case Nil{}:
1889      Empty.absurd(ListFacts<A, 4n, [3n, 1n, 0n, 2n], Nil{}>, nat_clash(0n, 4n, length, {==}))
1890    case +x0 <> Nil{}:
1891      Empty.absurd(ListFacts<A, 4n, [3n, 1n, 0n, 2n], x0 <> Nil{}>, nat_clash(1n, 4n, length, {==}))
1892    case +x0 <> +x1 <> Nil{}:
1893      Empty.absurd(ListFacts<A, 4n, [3n, 1n, 0n, 2n], x0 <> x1 <> Nil{}>, nat_clash(2n, 4n, length, {==}))
1894    case +x0 <> +x1 <> +x2 <> Nil{}:
1895      Empty.absurd(ListFacts<A, 4n, [3n, 1n, 0n, 2n], x0 <> x1 <> x2 <> Nil{}>, nat_clash(3n, 4n, length, {==}))
1896    case +x0 <> +x1 <> +x2 <> +x3 <> Nil{}:
1897      Lists{{==}, {==}, {==}, {==}, {==}, {==}}
1898    case +x0 <> +x1 <> +x2 <> +x3 <> +x4 <> +tail:
1899      Empty.absurd(ListFacts<A, 4n, [3n, 1n, 0n, 2n], x0 <> x1 <> x2 <> x3 <> x4 <> tail>, nat_clash(5n+List.length(&2, A, tail), 4n, length, {==}))